package aop;

import org.aspectj.lang.JoinPoint;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.util.Arrays;

public class LoggerAspect {
    //日志对象
    private static final Logger log = LoggerFactory.getLogger(LoggerAspect.class);
    /**
     * 前置增强-打印进入方法和参数
     */
    public void before(JoinPoint jp) {
        log.info("[LoggerAspect 前置增强]正在调用{}的{}方法.方法入参:{}",jp.getTarget(),jp.getSignature().getName(), Arrays.toString(jp.getArgs()));
    }
    /**
     * 后置增强-打印返回结果
     */
    public void afterReturning(JoinPoint jp, Object result) {
        log.info("[LoggerAspect 后置增强]调用{}的{}方法.方法返回值:{}",jp.getTarget(),jp.getSignature().getName(), result);
    }
}
